emaren
ge
aE —,
~ 1 Caen
I
5
ae
RS“Wed
Figure 36.
Scrubbing to remove radioactivity before suit remo¥al, CASTLE.
Ainsworth provided the most effective solution for controlling ghipboard
contamination.
r
Naval Vessel Decontamination
BRAVO created a mass naval decontamination operation, since [this event
contaminated ships before the washdown systems were turned on.
anchored in the lagoon required decontamination, and a vigorous
of top surfaces by means of firehoses was initiated shortly after
ceased (Figure 37).
[All vessels
Washdown
fallout
This action removed about 80 percent of thej contami-
nation, except for the wooden flight deck of the Bairoko.
Despife the
Cleanup efforts, contamination from BRAVO caused background levels aboard
ship and on the islands of Bikini to exceed established permissible contamination levels; therefore, emergency personnel levels and equipment release levels were increased to 0.015 R/hr
Small boats (LCMs and LCTs)
(Reference 16, p. 57).
that were left in the Eneu anchofgage be-
came heavily contaminated, requiring strong hosing with water ang
ture of boiler compound and lye.
a mix-
These caustics were normally uged to
149